コード例 #1
0
        private void udpGetMACIPAndSendCheck()
        {
            UdpClient udpServer = new UdpClient(50001);

            udpServer.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
            udpServer.Client.ReceiveTimeout = 1000;

            while (true)
            {
                IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
                Byte[]     receiveBytes     = { };

                if (running == false)
                {
                    break;
                }

                // 这里使用超时退出一次,主要是为了解决按下Stop的时候需要退出,需要杀死线程导致的。
                try {
                    receiveBytes = udpServer.Receive(ref RemoteIpEndPoint);
                }
                catch
                {
                    continue;
                }

                Console.WriteLine("udp received.");

                string mac = Encoding.ASCII.GetString(receiveBytes);
                string ip  = RemoteIpEndPoint.Address.ToString();

                MACIP macip = new MACIP(mac, ip);

                // 检查IP是否已经存在ArrayList中,删除,并重新添加,就没有必要添加到其中

                lock (threadLock)
                {
                    int count = 0;
                    for (; count < macIpAL.Count; count++)
                    {
                        if (((MACIP)macIpAL[count]).IP == ip)
                        {
                            break;
                        }
                    }
                    if (macIpAL.Count > 0 && count < macIpAL.Count)
                    {
                        ((MACIP)(macIpAL[count])).LeftTime = MACIP.LEFT_TIME;
                    }
                    else
                    {
                        macIpAL.Add(macip);
                    }
                }

                // 让线程去更新UI界面
                refreshListViewFlag = true;
                Console.WriteLine("lv refresh. macIpAL count: {0}", macIpAL.Count);
            }
        }
コード例 #2
0
        /// <summary>
        /// 1. 获取IP;
        /// 2. 获取IP对应的MACIP对象,如果不在范围,直接返回,线程结束;
        /// 3. 获取客户端的数据,并更新MACIP对应的心跳时间;
        /// 4. 连接异常或者断开之后关闭socket;
        /// 5. 删除Arraylist中的对象。
        /// </summary>
        public void RunThread()
        {
            string ip = ((IPEndPoint)(clientSocket.RemoteEndPoint)).Address.ToString();

            Console.WriteLine("RecvThread ip : {0}", ip);
            int index = 0;

            for (; index < macIpAL.Count; index++)
            {
                if (((MACIP)macIpAL[index]).IP == ip)
                {
                    macip = ((MACIP)macIpAL[index]);
                    macip.ClientSocket = this.clientSocket;
                    Console.WriteLine("RecvThread ClientSocket value {0}", this.clientSocket == null);
                    Console.WriteLine("RecvThread add ClientSocket {0}", macip.ClientSocket);
                    break;
                }
            }

            if (index >= macIpAL.Count)
            {
                // clientSocket.Shutdown(SocketShutdown.Both);
                clientSocket.Close();
                return;
            }

            while (LocalDetect.localDetect.running)
            {
                try
                {
                    //通过clientSocket接收数据
                    int receiveNumber = clientSocket.Receive(result);
                    if (receiveNumber == 0)
                    {
                        break;
                    }

                    macip.LeftTime = 4;

                    Console.WriteLine("接收客户端{0}消息{1}", clientSocket.RemoteEndPoint.ToString(), Encoding.ASCII.GetString(result, 0, receiveNumber));
                }
                catch { break; }
            }

            try {
                Console.WriteLine("recvThread close socket.");
                macip.ClientSocket.Shutdown(SocketShutdown.Both);
                macip.ClientSocket.Close();
            }
            catch { }

            // 确认存在之后再去删除
            if (macIpAL.Contains(macip))
            {
                macIpAL.Remove(macip);
            }

            LocalDetect.localDetect.refreshListViewFlag = true;
        }